expectorate vs spew

expectorate and spew both are verbs.

Word	Noun	Adjective	Verb	Adverb
expectorate	No	No	Yes	No
spew	No	No	Yes	No

As verbs, spew is a hyponym of expectorate; that is, spew is a word with a more specific, narrower meaning than expectorate:

expectorate: discharge (phlegm or sputum) from the lungs and out of the mouth
spew: expel or eject (saliva or phlegm or sputum) from the mouth

Other hyponyms of expectorate include cough, ptyalise, ptyalize, spit, spue, spit out, splutter, sputter.

expectorate (verb)	spew (verb)
discharge (phlegm or sputum) from the lungs and out of the mouth	eject the contents of the stomach through the mouth
clear out the chest and lungs	expel or eject (saliva or phlegm or sputum) from the mouth
	eject or send out in large quantities, also metaphorical